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Wolfspeed10-K: Inventory issue

Recorded inventory write-offs for obsolete products from 150mm fab shutdown.

What happened

The company recorded specific reserves and write-offs for obsolete inventory tied to the closure of its 150mm Durham fab, indicating challenges with product lifecycle management and inventory planning. This highlights a need for better forecasting and inventory optimization tools to prevent future losses.

Source

SEC EDGARAug 20, 2026

Annual report (Form 10-K)

Wolfspeed 10-K for FY2026

Filing excerpt

Specific reserves and inventory write-offs related to obsolete products as well as the planned shutdown of our 150mm Durham Fab completed in the Successor period ended June 28, 2026.

sec.gov/Archives/edgar/data/895419/000089541926000054/wolf-20260628.htmRead the full source

Other signals in this filing (10)

Extracted by Autobound

From the Signal API record
Signal
10-K: Inventory issue

What this signalsFilings often name leadership changes, deals and spending plans.

Period
FY2026
Fiscal year end
06/28
Filed
Aug 20, 2026

More 10-K signals at other companies

The full record

From the Signal API record

Numbers

Dollar figure
$23M (Additional product costs from fair value step-ups on inventory post-bankruptcy, recognized as sold.)

Details

CIK
895419
Accession number
0000895419-26-000054
Timeframe
Current year
Filing year
2026
Why it matters
Supply chain tools needed
Signal category
Financial

Topics and mentions

Vendors

  • Renesas Electronics America Inc.

Competitors

  • SICC Co.
  • LTD.
  • TanKeBlue Semiconductor Co.
  • Ltd
  • Infineon Technologies AG
  • ON Semiconductor Corporation
  • Rohm Co. Ltd.
  • ST Microelectronics N.V.
  • Robert Bosch GmbH
  • Silan Microelectronics Co. Ltd.

Regions named

  • North America

Competitors named

  • SICC Co., LTD.
  • TanKeBlue Semiconductor Co., Ltd
  • Infineon Technologies AG
  • ON Semiconductor Corporation
  • Rohm Co. Ltd.
  • ST Microelectronics N.V.
  • Robert Bosch GmbH
  • Silan Microelectronics Co. Ltd.

Extraction

Confidence
High
Relevance
80%
Sentiment
Negative
Detected
Aug 25, 2026
signal_type
sec-10k
signal_subtype
inventoryIssue

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The API returns more than this page shows

This page shows a preview. The full sec-10k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/381afbca-b0e7-4118-a3b0-cfa021116d81 returns this record as JSON. POST /v1/companies/enrich returns every signal for wolfspeed.com.

{
  "signal_id": "381afbca-b0e7-4118-a3b0-cfa021116d81",
  "signal_type": "sec-10k",
  "signal_subtype": "inventoryIssue",
  "detected_at": "2026-08-25T07:04:15.129+00:00",
  "company": {
    "name": "Wolfspeed",
    "domain": "wolfspeed.com"
  },
  "data": {
    "detail": "The company recorded specific reserves and write-offs for obsolete inventory tied to the closure of its 150mm Durham fab, indicating challenges with product lifecycle management and inventory planning. This highlights a need for better forecasting and inventory optimization tools to prevent future losses.",
    "metrics": {
      "timeframe": "current_year",
      "dollar_context": "Additional product costs from fair value step-ups on inventory post-bankruptcy, recognized as sold.",
      "dollar_millions": 23
    },
    "summary": "Recorded inventory write-offs for obsolete products from 150mm fab shutdown.",
    "excerpts": "Specific reserves and inventory write-offs related to obsolete products as well as the planned shutdown of our 150mm Durham Fab completed in the Successor period ended June 28, 2026.",
    "relevance": 0.8,
    "sentiment": "negative",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/895419/000089541926000054/wolf-20260628.htm",
    "filing_date": "2026-08-20",
    "filing_year": 2026,
    "fiscal_year_end": "06/28",
    "sales_relevance": "Supply chain tools needed",
    "signal_category": "financial",
    "regions_mentioned": [
      "North America"
    ],
    "vendors_mentioned": [
      "Renesas Electronics America Inc."
    ],
    "competitors_mentioned": [
      "SICC Co., LTD.",
      "TanKeBlue Semiconductor Co., Ltd",
      "Infineon Technologies AG",
      "ON Semiconductor Corporation",
      "Rohm Co. Ltd.",
      "ST Microelectronics N.V.",
      "Robert Bosch GmbH",
      "Silan Microelectronics Co. Ltd."
    ]
  }
}

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